Changeset 1386b2f in sasview
- Timestamp:
- Jul 7, 2017 9:52:28 AM (7 years ago)
- Branches:
- master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, magnetic_scatt, release-4.2.2, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload
- Children:
- 69363c7
- Parents:
- 277257f
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
src/sas/sascalc/fit/BumpsFitting.py
r9a5097c r1386b2f 15 15 def get_fitter(): 16 16 return FIT_CONFIG.selected_fitter, FIT_CONFIG.selected_values 17 except :17 except ImportError: 18 18 # CRUFT: Bumps changed its handling of fit options around 0.7.5.6 19 19 # Default bumps to use the Levenberg-Marquardt optimizer … … 56 56 header = "=== Steps: %s chisq: %s ETA: %s\n"%(step, chisq, time) 57 57 parameters = ["%15s: %-10.3g%s"%(k,v,("\n" if i%3==2 else " | ")) 58 for i, (k,v) in enumerate(zip(pars,history.point[0]))]58 for i, (k, v) in enumerate(zip(pars, history.point[0]))] 59 59 self.msg = "".join([header]+parameters) 60 60 … … 77 77 self.handler.set_result(Progress(history, self.max_step, self.pars, self.dof)) 78 78 self.handler.progress(history.step[0], self.max_step) 79 if len(history.step) >1 and history.step[1] > history.step[0]:79 if len(history.step) > 1 and history.step[1] > history.step[0]: 80 80 self.handler.improvement() 81 81 self.handler.update_fit() … … 97 97 try: 98 98 p = history.population_values[0] 99 n, p = len(p), np.sort(p)100 QI, Qmid, = int(0.2*n),int(0.5*n)101 self.convergence.append((best, p[0], p[QI],p[Qmid],p[-1-QI],p[-1]))102 except :103 self.convergence.append((best, best, best,best,best,best))99 n, p = len(p), np.sort(p) 100 QI, Qmid = int(0.2*n), int(0.5*n) 101 self.convergence.append((best, p[0], p[QI], p[Qmid], p[-1-QI], p[-1])) 102 except Exception: 103 self.convergence.append((best, best, best, best, best, best)) 104 104 105 105 … … 131 131 132 132 def _reset_pars(self, names, values): 133 for k, v in zip(names, values):133 for k, v in zip(names, values): 134 134 self._pars[k].value = v 135 135 … … 137 137 self._pars = {} 138 138 for k in self.model.getParamList(): 139 name = ".".join((self.name, k))139 name = ".".join((self.name, k)) 140 140 value = self.model.getParam(k) 141 bounds = self.model.details.get(k, ["",None,None])[1:3]141 bounds = self.model.details.get(k, ["", None, None])[1:3] 142 142 self._pars[k] = parameter.Parameter(value=value, bounds=bounds, 143 143 fixed=True, name=name) … … 145 145 146 146 def _init_pars(self, kw): 147 for k, v in kw.items():147 for k, v in kw.items(): 148 148 # dispersion parameters initialized with _field instead of .field 149 if k.endswith('_width'): k = k[:-6]+'.width' 150 elif k.endswith('_npts'): k = k[:-5]+'.npts' 151 elif k.endswith('_nsigmas'): k = k[:-7]+'.nsigmas' 152 elif k.endswith('_type'): k = k[:-5]+'.type' 149 if k.endswith('_width'): 150 k = k[:-6]+'.width' 151 elif k.endswith('_npts'): 152 k = k[:-5]+'.npts' 153 elif k.endswith('_nsigmas'): 154 k = k[:-7]+'.nsigmas' 155 elif k.endswith('_type'): 156 k = k[:-5]+'.type' 153 157 if k not in self._pars: 154 158 formatted_pars = ", ".join(sorted(self._pars.keys())) … … 159 163 elif isinstance(v, parameter.BaseParameter): 160 164 self._pars[k] = v 161 elif isinstance(v, (tuple, list)):165 elif isinstance(v, (tuple, list)): 162 166 low, high = v 163 167 self._pars[k].value = (low+high)/2 164 self._pars[k].range(low, high)168 self._pars[k].range(low, high) 165 169 else: 166 170 self._pars[k].value = v … … 170 174 Flag a set of parameters as fitted parameters. 171 175 """ 172 for k, p in self._pars.items():176 for k, p in self._pars.items(): 173 177 p.fixed = (k not in param_list or k in self.constraints) 174 178 self.fitted_par_names = [k for k in param_list if k not in self.constraints] … … 182 186 183 187 def update(self): 184 for k, v in self._pars.items():188 for k, v in self._pars.items(): 185 189 #print "updating",k,v,v.value 186 self.model.setParam(k, v.value)190 self.model.setParam(k, v.value) 187 191 self._dirty = True 188 192 … … 223 227 symtab = dict((".".join((M.name, k)), p) 224 228 for M in self.models 225 for k, p in M.parameters().items())229 for k, p in M.parameters().items()) 226 230 self.update = compile_constraints(symtab, exprs) 227 231 else: … … 300 304 np.NaN*np.ones(len(fitness.computed_pars)))) 301 305 R.pvec = np.hstack((result['value'][fitted_index], 302 306 [p.value for p in fitness.computed_pars])) 303 307 R.fitness = np.sum(R.residuals**2)/(fitness.numpoints() - len(fitted_index)) 304 308 else: 305 309 R.stderr = np.NaN*np.ones(len(param_list)) 306 R.pvec = np.asarray( 310 R.pvec = np.asarray([p.value for p in fitness.fitted_pars+fitness.computed_pars]) 307 311 R.fitness = np.NaN 308 312 R.convergence = result['convergence'] … … 331 335 steps = options.get('steps', 0) 332 336 if steps == 0: 333 pop = options.get('pop', 0)*len(problem._parameters)337 pop = options.get('pop', 0)*len(problem._parameters) 334 338 samples = options.get('samples', 0) 335 339 steps = (samples+pop-1)/pop if pop != 0 else samples … … 343 347 fitdriver = fitters.FitDriver(fitclass, problem=problem, 344 348 abort_test=abort_test, **options) 345 omp_threads = int(os.environ.get('OMP_NUM_THREADS', '0'))349 omp_threads = int(os.environ.get('OMP_NUM_THREADS', '0')) 346 350 mapper = MPMapper if omp_threads == 1 else SerialMapper 347 351 fitdriver.mapper = mapper.start_mapper(problem, None) … … 359 363 convergence_list = options['monitors'][-1].convergence 360 364 convergence = (2*np.asarray(convergence_list)/problem.dof 361 if convergence_list else np.empty((0, 1),'d'))365 if convergence_list else np.empty((0, 1), 'd')) 362 366 363 367 success = best is not None … … 376 380 'errors': '\n'.join(errors), 377 381 } 378
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